ID A0A1M4YWC3_9FIRM Unreviewed; 410 AA.
AC A0A1M4YWC3;
DT 15-MAR-2017, integrated into UniProtKB/TrEMBL.
DT 15-MAR-2017, sequence version 1.
DT 24-JAN-2024, entry version 22.
DE RecName: Full=Homoserine dehydrogenase {ECO:0000256|ARBA:ARBA00013213, ECO:0000256|RuleBase:RU000579};
DE EC=1.1.1.3 {ECO:0000256|ARBA:ARBA00013213, ECO:0000256|RuleBase:RU000579};
GN ORFNames=SAMN02746064_01886 {ECO:0000313|EMBL:SHF10119.1};
OS Alkalibacter saccharofermentans DSM 14828.
OC Bacteria; Bacillota; Clostridia; Eubacteriales; Eubacteriaceae;
OC Alkalibacter.
OX NCBI_TaxID=1120975 {ECO:0000313|EMBL:SHF10119.1, ECO:0000313|Proteomes:UP000184251};
RN [1] {ECO:0000313|EMBL:SHF10119.1, ECO:0000313|Proteomes:UP000184251}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 14828 {ECO:0000313|EMBL:SHF10119.1,
RC ECO:0000313|Proteomes:UP000184251};
RA Jaros S., Januszkiewicz K., Wedrychowicz H.;
RL Submitted (NOV-2016) to the EMBL/GenBank/DDBJ databases.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=L-homoserine + NAD(+) = H(+) + L-aspartate 4-semialdehyde +
CC NADH; Xref=Rhea:RHEA:15757, ChEBI:CHEBI:15378, ChEBI:CHEBI:57476,
CC ChEBI:CHEBI:57540, ChEBI:CHEBI:57945, ChEBI:CHEBI:537519; EC=1.1.1.3;
CC Evidence={ECO:0000256|ARBA:ARBA00001406};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=L-homoserine + NADP(+) = H(+) + L-aspartate 4-semialdehyde +
CC NADPH; Xref=Rhea:RHEA:15761, ChEBI:CHEBI:15378, ChEBI:CHEBI:57476,
CC ChEBI:CHEBI:57783, ChEBI:CHEBI:58349, ChEBI:CHEBI:537519; EC=1.1.1.3;
CC Evidence={ECO:0000256|RuleBase:RU000579};
CC -!- PATHWAY: Amino-acid biosynthesis; L-methionine biosynthesis via de novo
CC pathway; L-homoserine from L-aspartate: step 3/3.
CC {ECO:0000256|RuleBase:RU000579}.
CC -!- PATHWAY: Amino-acid biosynthesis; L-threonine biosynthesis; L-threonine
CC from L-aspartate: step 3/5. {ECO:0000256|RuleBase:RU000579}.
CC -!- SIMILARITY: Belongs to the homoserine dehydrogenase family.
CC {ECO:0000256|ARBA:ARBA00006753, ECO:0000256|RuleBase:RU004171}.
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DR EMBL; FQTU01000014; SHF10119.1; -; Genomic_DNA.
DR RefSeq; WP_073271360.1; NZ_FQTU01000014.1.
DR AlphaFoldDB; A0A1M4YWC3; -.
DR STRING; 1120975.SAMN02746064_01886; -.
DR OrthoDB; 9808167at2; -.
DR UniPathway; UPA00050; UER00063.
DR UniPathway; UPA00051; UER00465.
DR Proteomes; UP000184251; Unassembled WGS sequence.
DR GO; GO:0004412; F:homoserine dehydrogenase activity; IEA:UniProtKB-EC.
DR GO; GO:0050661; F:NADP binding; IEA:InterPro.
DR GO; GO:0009097; P:isoleucine biosynthetic process; IEA:UniProtKB-KW.
DR GO; GO:0009086; P:methionine biosynthetic process; IEA:UniProtKB-KW.
DR GO; GO:0009088; P:threonine biosynthetic process; IEA:UniProtKB-UniPathway.
DR Gene3D; 3.30.70.260; -; 1.
DR Gene3D; 3.40.50.720; NAD(P)-binding Rossmann-like Domain; 1.
DR InterPro; IPR005106; Asp/hSer_DH_NAD-bd.
DR InterPro; IPR016204; HDH.
DR InterPro; IPR001342; HDH_cat.
DR InterPro; IPR019811; HDH_CS.
DR InterPro; IPR036291; NAD(P)-bd_dom_sf.
DR PANTHER; PTHR43331; HOMOSERINE DEHYDROGENASE; 1.
DR PANTHER; PTHR43331:SF1; HOMOSERINE DEHYDROGENASE; 1.
DR Pfam; PF00742; Homoserine_dh; 1.
DR Pfam; PF03447; NAD_binding_3; 1.
DR PIRSF; PIRSF000098; Homoser_dehydrog; 1.
DR SUPFAM; SSF55347; Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain; 1.
DR SUPFAM; SSF51735; NAD(P)-binding Rossmann-fold domains; 1.
DR PROSITE; PS01042; HOMOSER_DHGENASE; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|RuleBase:RU000579};
KW Branched-chain amino acid biosynthesis {ECO:0000256|RuleBase:RU000579};
KW Isoleucine biosynthesis {ECO:0000256|RuleBase:RU000579};
KW Methionine biosynthesis {ECO:0000256|RuleBase:RU000579};
KW NADP {ECO:0000256|PIRSR:PIRSR000098-2, ECO:0000256|RuleBase:RU000579};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002,
KW ECO:0000256|RuleBase:RU000579};
KW Reference proteome {ECO:0000313|Proteomes:UP000184251};
KW Threonine biosynthesis {ECO:0000256|RuleBase:RU000579}.
FT DOMAIN 7..126
FT /note="Aspartate/homoserine dehydrogenase NAD-binding"
FT /evidence="ECO:0000259|Pfam:PF03447"
FT DOMAIN 134..312
FT /note="Homoserine dehydrogenase catalytic"
FT /evidence="ECO:0000259|Pfam:PF00742"
FT ACT_SITE 202
FT /note="Proton donor"
FT /evidence="ECO:0000256|PIRSR:PIRSR000098-1"
FT BINDING 6..13
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR000098-2"
FT BINDING 102
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR000098-2"
FT BINDING 187
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR000098-2"
SQ SEQUENCE 410 AA; 46242 MW; 27D76DE64D80F957 CRC64;
MKIALLGMGT VGTGVYEIIN EEKGNYFANA QEKVNIKKVL VRDKTKKRKL DVSEDLLTDS
FDEILEDQEI EAVIFAMGGM EPEYSYMKDA MRNKKHVITA NKAVVSEYLD TLLKLAEENN
VMFLFEASVG GGIPIITSLK ETLKINRIDE IKGILNGTSN FILSKMSSEG RDFDDVLKEA
QELGFAEADP SADVDGFDVS RKLAILSSLA FGCHIKDEDI YKRGIREVSK SDMEMFDNLG
YVLKYLAHSK MDDGKYCATV EPVLLSSKNI MSNVNEEFNI VSIHGNIIGE LQFYGKGAGK
NATANAVVGD LLYIINNSER RDDIILDKTV ENKKLDIFQG KYYLRVDIKN HEEFKKIIDM
IDETSRVKKM MVEKSQIFVV TEELRAYTVN DLAQRIADMG NELFYARIVQ
//